City of San Mateo Law Library
City of San Mateo Municipal Code.

17.16.020 WALK THICKNESS—GRADE.

Where a driveway crosses the sidewalk, the walk must be rough finished for the lineal distance of at least eight feet and must be at least four inches in thickness. The driveway must extend to the roadway side of the curbline. It must gradually descend in grade to conform with bottom grade of curbs and also to conform with cross section of curbs and crown of a finished roadway adjacent to curbs and gutters.